New submission from Antony Lee:

I believe that the implementation of Condition._is_owned is wrong, as mentioned 
here: https://mail.python.org/pipermail/python-list/2012-October/632682.html.  
Specifically, the two return values (True and False) should be inverted.

I guess this slipped through as this private function would only be called if 
one passed to a Condition object a (R)Lock-like object that doesn't define 
_is_owned.  (I noticed this when I tried to pass a custom-written reader-writer 
lock to a Condition object.)  Technically, the docs says that "If the lock 
argument is given and not None, it must be a Lock or RLock object", but in 
practice anything that defines acquire(), release() (and possibly _is_owned()) 
should work.

----------
components: Library (Lib)
messages: 208063
nosy: Antony.Lee
priority: normal
severity: normal
status: open
title: Condition._is_owned is wrong

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue20247>
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